About: http://webisa.webdatacommons.org/225293341

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	This interactive activity from the NOVA Web site provides a self-guided tour of the electromagnetic spectrum, including examples of some of the most common uses of different types of waves.
http://www.w3.org/ns/prov#wasQuotedFrom	watchknowlearn.org